Nakuba amazinga anyukile e-carbon dioxide emkhathini ekhuthaza ukukhula kwezitshalo, aphinde anciphise inani lazo lokudla okunomsoco, okungase kube nomthelela omkhulu ekudleni nasekuphepheni kokudla emhlabeni jikelele. Abacwaningi base-Michigan State University bathole indlela entsha yokuthi izitshalo zivumelane nesimo sezulu esishintshayo - lolu lwazi lungasetshenziswa ukusiza izitshalo zikhule ziqine kuyilapho zigcina inani lazo lokudla okunomsoco. Ingosi ye-Phys.org.
I-Phosphorus isetshenziswa njengomanyolo futhi ibalulekile ukukhula kwezitshalo, kodwa imithombo yomhlaba ye-phosphorus ilinganiselwe.
“Asikwazi ukuhlanganisa [i-phosphorus] njengomanyolo we-nitrogen,” kusho uHatem Ruashed, umsizi kaprofesa eKolishi Lezolimo Nezemvelo. "Kudingeka siqonde kangcono ukuthi izitshalo zidla kanjani i-phosphorus ukuze ziphile."
U-Ruashed nethimba lakhe baphawula ukuthi lapho izitshalo zichayeka emazingeni aphezulu e-carbon dioxide, amazinga e-phosphorus emahlumela namaqabunga ezitshalo ayehla.
"Besifuna ukwazi ukuthi kungani izitshalo zingayithathi i-phosphorus," kusho uRuashed. - Futhi ubone ukuthi ukwehla izinga le-phosphorus iphutha noma impendulo eguquguqukayo, futhi ingabe ikhona indlela yokukushintsha lokho ukuze izitshalo zikhule futhi zisinikeze ukudla okunomsoco.”
U-Ruashed nethimba lakhe babheka ngokujulile izinga le-subcellular futhi bathola ukuthi izitshalo zigwema ukulayisha ngokweqile ama-chloroplast azo nge-phosphorus njengempendulo eguquguqukayo kumazinga e-carbon dioxide aphakeme. I-Chloroplasts yilapho i-photosynthesis yenzeka khona, lapho i-chlorophyll, lapho kukhona ukukhanya kwelanga, ikhiqiza ukudla kokukhula kwezitshalo. I-Phosphorus nayo iyingxenye ebalulekile ye-photosynthesis nokudala amandla amaseli.
“Okubalulekile ngokuthola kwethu ukuthi uma sizama ukuthola isitshalo sengeze kakhulu i-phosphorus kwi-chloroplast, isitshalo asikhuli, ”kusho uRuashed. "Sithole ukuthi ukwanda kwamazinga e-phytic acid ezitshalweni kumele kulawulwe ngokuqinile ukuze izitshalo zikhule ngaphansi kwezimo ze-carbon dioxide ephezulu."
Abacwaningi bathole ukuthi uma amazinga e-phytic acid edlula umkhawulo othile, izitshalo azikhuli.
“Lesi sihloko ngesokuqala ukukhombisa ukuthi kunesidingo sengxoxo yokuthi singazivikela kanjani izitshalo ekungondlekileni okubangelwa ukwanda kwe-carbon dioxide emhlabeni wonke,” kusho uRuashed.
Ucwaningo lushicilelwe kumagazini i-Current Biology.